<template>
  <div class="tabbar">
    <div @click="handleClick(index)" :class="{active: currentIndex == index }" class="btn" v-for="(item,index) in tablist" :key="index">
        <!-- <img :src="item.pic" alt=""> -->
        <div> {{item.text}} </div>
    </div>
  </div>
</template>

<script>
//在组件内部使用this, 这个this代表当前组件的实例
export default {
    data(){
        return {
            currentIndex:0,
            tablist:[
                {
                    pic:'',
                    text:'首页',
                },
                {
                    pic:'',
                    text:'订单',
                },
                {
                    pic:'',
                    text:'我的',
                },
            ]
        }
    },
    methods:{
        handleClick(index){
            this.currentIndex = index;//保存当前点击按钮的下标
        }
    }
}
</script>

<style lang='scss' scoped>
.tabbar{
    display: flex;
    justify-content: space-around;
    text-align: center;
    align-content: center;
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 10px 0;
    border-top: 1px solid #ccc;
}
.tabbar .active{
    color: lightskyblue;
}
</style>